Detectors

Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.

366 detectors match the current filters. tactic: TA0005 ✕

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Type Name Severity Module Data source / event ATT&CK
BIOC Common Apple process name missing Apple digital signature These common Apple process names should normally be signed with the Apple Inc. digital signature. Naming processes with common names is a common way attackers obfuscate their activities. Informational Platform Analytics Process execution Defense Evasion
BIOC Common Mozilla process name missing Mozilla digital certificate These common Mozilla process names should normally be signed with the Mozilla Corporation digital signature. Naming processes with common names is a common way attackers obfuscate their activities. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Common third-party software name masquerading An attacker might leverage common third-party software image names to run malicious processes without being caught. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Commonly abused process executed with obfuscated characters Commonly abused process executed with obfuscated characters. Informational Platform Analytics Process execution Defense Evasion
BIOC Commonly abused process spawns out of rundll32.exe This type of execution happens in .dll based attacks. Informational Platform Analytics Process execution Defense Evasion
BIOC Compiled HTML (help file) makes network connections Compiled HTML (help files) should not normally need to connect to the network. This may have limited legitimate uses, yet this behavior is often observed by malware leveraging malicious CHM files to deliver a 2nd stage payload. Informational Platform Analytics Network Defense Evasion
BIOC Compiler process started by an Office process The processes (csc.exe & vbc.exe) invoke compilers via command prompt and compile a payload on the fly. This is leveraged by attackers to create a new payload on every machine. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Compute activity in dormant cloud region A compute resource was created or updated in a cloud region that has been dormant for this project. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Defense Evasion
Analytics BIOC Conditional Access policy removed An identity removed a Conditional Access policy. Low Identity Threat Detection (ITDR), SaaS Threat Detection AzureAD Audit Log Defense Evasion
Analytics BIOC Conhost.exe spawned a suspicious cmd process Attackers may abuse the conhost process to execute malicious files and evade detection. Low Platform Analytics XDR Agent Defense Evasion
BIOC Data destruction using sdelete.exe Attackers may use sdelete.exe to delete files from the target host. Informational Platform Analytics Process execution Defense Evasion, Impact
Analytics BIOC Data encryption was disabled A cloud identity has disabled data encryption. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC Data Sharing between GCP and Google Workspace was disabled An identity has modified data sharing settings between GCP and Google Workspace. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Google Workspace Audit Logs Defense Evasion, Impact
Analytics BIOC Delayed Deletion of Files A command line deleting files used the time-out or ping commands to delay the file deletion. This is suspicious, as malware sometimes uses these techniques to cover their tracks. Low Platform Analytics XDR Agent Defense Evasion
BIOC Delete Volume USN Journal with fsutil This technique is used by attackers to eliminate evidence of files created during post-exploitation activities. Medium Platform Analytics Process execution Defense Evasion
Analytics BIOC Deletion of AD CS certificate database entries A user has deleted rows from the certificate database of an AD CS server. Informational Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
Analytics BIOC Device Registration Policy modification An identity changed the Device Registration policy. Informational Identity Threat Detection (ITDR), SaaS Threat Detection AzureAD Audit Log Defense Evasion
Analytics BIOC Disable AWS audit logs through Event Selectors An AWS Cloudtrail Event Selector was modified. An attacker might use this technique to disable audit logs. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC Disable Microsoft Defender Antivirus via registry Disable Microsoft Defender Antivirus via registry. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
BIOC Disable outlook security via Registry Attackers may try to disable outlook security features by modifying the Registry. Informational Platform Analytics Registry Defense Evasion
BIOC Disabling Windows Defender via Registry Windows Defender stores its configuration in the Registry. By modifying these values, an attacker can disable security features. Informational Platform Analytics Registry Defense Evasion
BIOC DLL sideloading attack using Xwizard Xwizard has a known DLL-sideloading vulnerability, which involves moving the legitimate Xwizard.exe file into a new directory along with a malicious Xwizard.dll file. This is a possible indicator of an attacker preparing to execute a DLL-sideloading attack. Low Platform Analytics Process execution Defense Evasion
BIOC Driver written to a temporary directory Drivers are highly unlikely to be written or moved to a temp directory. Check whether this driver is legitimate. Informational Platform Analytics File Defense Evasion
Analytics BIOC EBS volume attachment attempt An attempt was made to attach an EBS volume to an EC2 instance. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC EBS volume detachment attempt An attempt was made to detach an AWS EBS volume from an EC2 instance. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC Email attachment with multiple extensions The email includes an attachment(s) with two extensions. The first one being an executable extension. This may indicate an attempt at masquerading the true file type through the misuse of multiple extensions in the attachment name. Informational Email Security Microsoft 365 Emails Execution, Defense Evasion
Analytics BIOC Email attachment with Right-to-Left Override Unicode character The email message contains an attachment with a hidden Right-to-Left Override Unicode character. Low Email Security Microsoft 365 Emails Defense Evasion, Execution
Analytics BIOC Email attachment(s) with potentially malicious MIME type The email message contains an attachment(s) with a potentially malicious MIME type. Informational Email Security Microsoft 365 Emails Defense Evasion, Execution
Analytics BIOC Email containing a link with an IP address convention was detected A link with IP address convention was detected within the email body. Informational Email Security Microsoft 365 Emails Defense Evasion, Execution
Analytics BIOC Email containing a redirected link An email with a redirected link has been detected. Informational Email Security Microsoft 365 Emails Defense Evasion, Execution
Analytics BIOC Email with URL shortener detected A URL shortener was detected in the email body. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics BIOC Encoded information using Windows certificate management tool Encoding/decoding to/from using certutil.exe could be used to evade detection. Medium Platform Analytics XDR Agent Defense Evasion
BIOC Encoded VBScript executed Attackers tend to hide their malicious behavior in many ways, one of which is obfuscating their code via encoding. High Platform Analytics Process execution Execution, Defense Evasion
BIOC Evasion using time-based properties Attackers may check Event Log to evade virtualized environments. Informational Platform Analytics Process execution Defense Evasion, Discovery
BIOC EventLog service disabled by a Registry operation A Registry set-value operation that disables the EventLog service was executed on the machine. High Platform Analytics Registry Defense Evasion
Analytics BIOC Exchange anti-phish policy disabled or removed A user disabled or removed an Exchange anti-phish policy, which may indicate evasion of a possible phishing campaign. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion, Initial Access
Analytics BIOC Exchange audit log disabled A user disabled the Exchange audit log. This may indicate an attempt to evade detection. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange DKIM signing configuration disabled A user disabled an Exchange DomainKeys Identified Mail (DKIM) signing configuration. DKIM helps ensure that emails are authorized and not spoofed. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion, Initial Access
Analytics BIOC Exchange email-hiding inbox rule A user configured an Exchange inbox rule that may be used to hide emails. Informational Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange email-hiding transport rule A user configured an Exchange transport rule that may be used to hide emails in the organization. Informational Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange mailbox audit bypass A user added mailbox audit bypass for an account. This will allow the account to perform actions without being logged, and may indicate an attempt to evade detection. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange malware filter policy removed A user removed an Exchange malware filter policy, which may prevent the detection of malware. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange Safe Attachment policy disabled or removed A user disabled an Exchange Safe Attachment policy, which provides phishing protection to email attachments. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion, Initial Access
Analytics BIOC Exchange Safe Link policy disabled or removed A user disabled an Exchange Safe Link policy, which provides phishing protection to emails that contain hyperlinks. Low Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion, Initial Access
Analytics BIOC Executable created to disk by lsass.exe Lsass.exe does not normally create executables to disk. This activity was seen as part of several exploits, like EternalBlue and DoublePulsar, used during the WannaCry attacks. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
Analytics BIOC Executable moved to Windows system folder An attacker may be trying to avoid detection by moving an executable to a Windows system folder. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of commonly abused AutoIT script AutoIT scripts have legitimate uses, but are often abused by malware to execute in a signed process context. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Execution of dllhost.exe with an empty command line The process dllhost.exe was executed with an empty command line. This behavior is suspicious, and may be caused by a malicious actor using 'Image File Execution Options' in the registry to evade detection. Low Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Execution of masqueraded third-party utility An attacker may be trying to avoid detection of third-party utility execution by renaming it. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of regsvcs/regasm with uncommon paths The regasm.exe/regsvcs.exe commands are used to register .NET COM assemblies, which are typically located in specific paths. Uncommon paths may indicate malicious code is being registered. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Execution of renamed lolbin An attacker may be trying to avoid detection of lolbin's execution using a renamed lolbin. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of WSL Distro Detecting a new instance execution of Windows Subsystem for Linux distro. Informational Platform Analytics File Defense Evasion
Analytics BIOC External email display name impersonation of internal personnel Potential email attempting to impersonate an internal user has been detected. The sender's email address appears unusual in relation to the provided display name, suggesting a possible impersonation attempt targeting an internal user. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics BIOC Failed Login For Locked-Out Account A locked-out user account (event ID 4725 or 4740) was used in a Kerberos TGT pre-authentication attempt. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Defense Evasion
BIOC File renamed to have a script extension Adversaries may create 'benign-looking' files, which are later used as malicious scripts by changing their extension. Informational Platform Analytics File Defense Evasion
BIOC File timestamp tampering An attacker may modify file timestamps by running the touch command to hide their activities. Informational Platform Analytics Process execution Defense Evasion
BIOC Fltmc.exe used to unload filter driver Attackers can abuse the Filter Manager Control Program (fltMC.exe) to unload MiniFilter drivers, some of which may be used for activity monitoring. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC GCP data asset shared public The GCP data asset was publicly shared. Low Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Firewall Rule creation A GCP VPN firewall rule was created. An attacker might use this technique to block or open access to/from restricted areas. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Firewall Rule Modification A GCP firewall rule was modified. An attacker might use this technique to access restricted resources. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Logging Bucket Deletion A GCP logging bucket was deleted. An attacker might delete the bucket to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP logging sink deletion A GCP logging sink entity was deleted. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP logging sink modification A GCP logging sink entity was modified. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Storage Bucket Permissions Modification A GCP storage bucket's IAM permissions were modified. An attacker might use this technique to expose sensitive data or cause data loss. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP VPC Firewall Rule Deletion A GCP VPC firewall rule was deleted. An attacker might use this technique to access restricted resources. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC Globally uncommon high entropy module was loaded A module with high entropy and a globally uncommon hash was loaded. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon high entropy process was executed A process with high entropy and a globally uncommon hash was executed. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon image load from a signed process A signed process loaded a DLL that, on a global level, it usually doesn't load. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon injection from a signed process A signed process injected into another process that it does not normally target at a global level. Informational Platform Analytics XDR Agent Defense Evasion, Persistence
Analytics BIOC Globally uncommon IP address connection from a signed process A signed process connected to an external IP address that, on a global level, it usually doesn't connect to. Informational Platform Analytics XDR Agent Defense Evasion, Command and Control
Analytics BIOC Globally uncommon root domain from a signed process A signed process connected to an external domain that, on a global level, it usually doesn't connect to. Low Platform Analytics XDR Agent Defense Evasion, Command and Control
Analytics BIOC Globally uncommon root-domain port combination from a signed process A signed process connected to an external domain on a specific port that, on a global level, it usually doesn't connect to. Low Platform Analytics XDR Agent Defense Evasion, Command and Control
Analytics BIOC Hidden Attribute was added to a file using attrib.exe Hidden attribute was added to a file using attrib.exe, adversaries may set files to be hidden to evade detection mechanisms. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Hidden directory creation Attackers may create hidden directories to hide malware or staged files. Informational Platform Analytics Process execution Defense Evasion
BIOC Hidden file and directory creation Creation of a hidden file inside a hidden directory. Informational Platform Analytics File Defense Evasion
BIOC Impersonation using Rubeus tool User authentication should not be impersonated, since this is considered a malicious behavior. Medium Platform Analytics Process execution Defense Evasion
Analytics BIOC Indicator blocking Auditing or logging configuration changes on Linux host. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Indirect command execution using the Program Compatibility Assistant Pcalua.exe (Program Compatibility Assistant) is used for running old programs that have compatibility issues. Attackers can use pcalua.exe to indirectly execute their malicious programs. Medium Platform Analytics XDR Agent Defense Evasion
BIOC Injection into ping.exe A process injected into an instance of ping.exe. Informational Platform Analytics Remote code Defense Evasion
Analytics BIOC Injection into rundll32.exe A process injected into an instance of rundll32.exe. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Internet Explorer security settings modification The Security Settings Check feature, which checks Internet Explorer security settings to determine risk, was disabled. Informational Platform Analytics Registry Defense Evasion
Analytics BIOC Iptables configuration command was executed The iptables process was executed with a command to add or delete rules on the host. Informational Platform Analytics XDR Agent Defense Evasion
BIOC ISO mounted manually A user manually mounted an ISO file. Informational Platform Analytics File Defense Evasion
BIOC Kerberos ticket forging using Impacket ticketer Suspected execution of Impacket's ticketer.py script for forging TGT/TGS Kerberos tickets. Medium Platform Analytics Process execution Defense Evasion, Privilege Escalation
Analytics BIOC Kubernetes cluster events deletion Kubernetes cluster events deletion. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log, Kubernetes Audit Logs Defense Evasion
Analytics BIOC Linux system firewall was modified The system firewall was modified. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
BIOC Log deletion in known log file directories Deletion of log files in known log directories. Informational Platform Analytics File Defense Evasion
BIOC Log deletion using the truncate command Usage of the truncate utility using "-s 0" argument to clear log files. Informational Platform Analytics Process execution Defense Evasion
BIOC Log deletion via command-line tool An attacker may use the rm command to remove traces of their activities. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Logging was impaired via external encryption key The resource was configured with an external key This might be an attempt to disrupt log inspection. Medium Cortex Cloud AWS Audit Log, Gcp Audit Log Impact, Defense Evasion
Analytics BIOC Login by a dormant user A dormant user logged on after having been unused for a month or longer. This may indicate the account is misused by an attacker. Informational Identity Analytics XDR Agent Defense Evasion
Analytics BIOC LOLBAS executable injects into another process A signed binary, which can be abused to run code, injected code to another process. Informational Platform Analytics XDR Agent Defense Evasion
BIOC MacOS firewall manipulation An attacker may modify a firewall via command line to bypass network controls. Informational Platform Analytics Process execution Defense Evasion
BIOC Manipulation of Crypto Subject Interface Package (SIP) Provider Malicious modification of crypto subject interface package (SIP) provider Registry keys can be leveraged to trick the OS into incorrectly validating invalid signing certificates. May have legitimate uses, but check for malicious activity. Informational Platform Analytics Registry Defense Evasion
BIOC Manipulation of Windows Defender configuration Commands used to bypass, disable or harm Windows Defender. Informational Platform Analytics Process execution Defense Evasion
BIOC Manipulation of Windows Event Log auto-backup via Registry This key enables/disables the automatic backups of event logs when they are full. Informational Platform Analytics Registry Defense Evasion
Analytics BIOC Masquerading as a default local account A user created a new local account with the name of a default local account, such as Guest and DefaultAccount. An attacker may create a user with these known names to evade detection. Low Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion, Persistence
Analytics BIOC Masquerading as the Linux crond process Copies a file and renames it as crond. Low Platform Analytics XDR Agent Defense Evasion
Analytics BIOC MFA device was removed/deactivated from an IAM user Deactivate an MFA device and disassociate it from an IAM user. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC MFA was disabled for a Google Workspace user Multi-Factor Authentication (MFA) has been disabled for a Google Workspace user. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Google Workspace Audit Logs Defense Evasion